3M 3998 Data Sheet
3998 Waterproof Cloth Tape
Product Data Sheet
Updated : March 1996
Supersedes : October 1993
Product Description
Physical Properties
Not for specification purposes
A flexible polythene coated
woven cloth tape, coated
with an aggressive rubber
adhesive. The cloth
backing is strong but
exhibits easy tear
properties. An extremely
versatile tape for a multitude
of uses.
Adhesive Type
Backing
Thickness (ASTM D-3652)
Tape Colour
Shelf Life
Rubber resin.
Polyethylene treated cloth.
320 µm
White, Green, Red, Silver,
Black, Light Blue, Olive drab
12 months from date of despatch by 3M when stored in the
original carton at 21°C (70°F) & 50 % Relative Humidity
Performance
Characteristics
Not for specification purposes
Adhesion to Stainless
Steel ASTM D-3330
Tensile Strength
ASTM D-3759
Elongation at Break
ASTM D-3759
Temperature Range
Maximum
Moisture Vapour
Transmission
5.0 N/10mm
70.0 N/10mm
25.0 %
50 °C
20 g/m²/24hr
Date : March 1996
3998 Waterproof Cloth Tape
2
Application Techniques
Applications
Best results are attained
when applied to a clean, dry
and non dusty surface
To improve adhesion ensure
firm and even application
pressure is applied.
above 0°C.
Ammunition container
Colour coding.
Patching and repairing.
sealing.
General splicing,
Duct sealing.
Packaging.
FEATURES ADVANTAGES BENEFITS
Polyethylene treated cloth
backing.
High strength.
Excellent water/humidity
resistance.
Provides a strong versatile
easy-to-use tape for general
industrial use.
Conformable.
Easy tear.
Good handling properties.
Rubber resin adhesive.
High tack adhesive.
Adheres to a variety of
surfaces.
Specifications
3M waterproof cloth tape
conforms to Def. Stan.
Spec. 81-25/2.
3M is a trademark of the 3M Company.
Values presented have been determined by standard test methods and are average values not to be used for specification purposes.
Our recommendations on the use of our products are based on tests believed to be reliable but we would ask that you conduct your own tests to
determine their suitability for your applications.
This is because 3M cannot accept any responsibility or liability direct or consequential for loss or damage caused as a result of our
recommendations.
Specialty Tapes & Adhesives
3M United Kingdom PLC
3M House,
28 Great Jackson Street,
Manchester,
M15 4PA
Customer Service :
Tel 0161 236 8500
Fax 0161 237 1105
3M Ireland
3M House, Adelphi Centre,
Upper Georges Street,
Dun Laoghaire,Co. Dublin,
Ireland
3M United Kingdom PLC 1996
Customer Service :
Tel (01) 280 3555
Fax (01) 280 3509
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